Home / 259,528,243.20-389,512,814.40-106,284,278.40

Finding the Fourth Proportional to 259,528,243.20, 389,512,814.40 and 106,284,278.40

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Solution

The fourth proportional to 259,528,243.20, 389,512,814.40 and 106,284,278.40 is: 159,516,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,528,243.20 : 389,512,814.40 = 106,284,278.40 : x
  2. Step 2: Convert to fraction form
    259,528,243.20/389,512,814.40 = 106,284,278.40/x
  3. Step 3: Cross multiply
    259,528,243.20x = 389,512,814.40 × 106,284,278.40
  4. Step 4: Simplify right side
    259,528,243.20x = 41,399,088,406,057,128
  5. Step 5: Solve for x
    x = 41,399,088,406,057,128/259,528,243.20
  6. Step 6: Final answer
    x = 159,516,698.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.